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  • Title: Oral essential aminoacid and ketoacid supplements in children with chronic renal failure.
    Author: Jones R, Dalton N, Turner C, Start K, Haycock G, Chantler C.
    Journal: Kidney Int; 1983 Jul; 24(1):95-103. PubMed ID: 6620854.
    Abstract:
    The effects on growth, body composition, and metabolism of a protein-restricted diet supplemented with essential aminoacids, the calcium-ketoacids of valine, leucine, isoleucine, and phenylalanine, and the calcium-hydroxyacid of methionine, were investigated in seven growth-retarded children with chronic renal failure. During 0.4 to 1.0 years of treatment there were significant increases in growth velocity and upper arm circumference SD scores, body cell mass (intracellular water calculated as tritium space minus corrected sodium bromide space) and serum transferrin. Blood urea and urea:creatinine ratio fell in all children. Renal function assessed from plasma creatinine and 51Cr EDTA clearance did not change significantly. During treatment there was an increase in plasma calcium, high levels necessitating brief interruption of therapy in two children, and a decrease in plasma phosphate. Levels of serum parathormone fell in all children, and were correlated inversely with plasma calcium and positively with plasma phosphate. Abnormalities compared to control children in blood aminoacid and branched-chain ketoacid levels were unaffected by treatment. These results suggest that a protein-restricted diet supplemented with essential aminoacids and calcium-keto and hydroxyacids may be useful to improve linear growth and nutritional status in children with chronic renal failure, and that a reduction in hyperparathyroidism may be partly responsible for some of the beneficial effects observed.
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